I am writing a PDE whose contents should differ for simplex and duplex
jobs. While I can usually get the value by getting the print ticket from
the print session, then getting the duplex value from the print ticket:
error = GetTicketRef(inPrintSession, kPDE_PMPrintSettingsRef,
&printSettingsTkt);
if (!error)
error = PMTicketGetSInt32(printSettingsTkt, kPMTopLevel, kPMTopLevel,
kPMDuplexingKey, &duplexValue);
While GetSInt32 usually returns a 0, sometimes it returns -9589
(kPMKeyNotFound). Anyone know why the duplex key would be missing from the
print ticket, or (better yet) if it's not missing, how to get it?
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